Work station with mobile elevatable work platform

Details Work station with mobile elevatable work platform Work station with mobile elevatable work platform

1993-01-19

1994-04-05

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

182 2, 182 625, 182113, 182141, B66F 1100

Patent

active

052996530

ABSTRACT:
Disclosed is an apparatus having a work platform comprised of an expandingly extendable basket mounted on an underframe. The basket has a relatively mobile portion that translates out from the underframe and out from a relatively stationary portion of the basket fix to underframe. Mounted to the underframe are rollers engaging beams supporting the relatively mobile portion of the basket, the beams translating on the rollers when the basket expands. The basket is raised and lowered on pivot arms which are connected between the underframe and a base of the apparatus. The position and movement of the arms are controlled by a screw jack fixed to the work platform. An adjustable position stairway is connected between a second, fixed work platform and the first, expandable work platform.

REFERENCES:
patent: 619439 (1899-02-01), Riecke
patent: 1718979 (1929-07-01), Protzeller
patent: 2362170 (1944-11-01), Swaisgood
patent: 4787111 (1988-11-01), Pacek et al.

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